An excellent collection of Google Earth KMZ files of railroads

Leatham, Jeremy. “‘I Promise the Public No Amusement’: ” Mark Twain Journal, vol. 54, no. 1, Alan Gribben, 2016

The fifth and final division of the Pony Express National Historic Trail ran from Roberts Creek, Nevada, through the Sierra Nevada Mountains to Sacramento, California, and then either by rider or steamer to San Francisco, California. This chapter discusses forty-nine stations along the route, as well as events, personal accounts, locations, and plaques/monuments associated with them. This division of the trail contained the largest number of stations.

From Salt Lake City, Utah, the Pony Express National Historic Trail headed southwest and then west into the Great Basin and Range toward Roberts Creek, Nevada, crossing many desert valleys and medium mountain ranges in between. Division Four of the Pony Express route encompassed thirty stations, eighteen of them in western Utah and the remaining twelve stations in eastern Nevada. The following chapter contains available historical data on each station, including present-day location of ruins, buildings, and commemorative markers.